SMTL ID : 7p4p.1

Structure of the quinolinate synthase A84L variant complexed with citrate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

monomer

Ligands

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.1: 10 residues within 4Å: Chain A: Y.28, C.88, P.89, M.90, N.116, C.175, V.177, E.202, C.261 Ligands: FLC.2 5 PLIP interactions: 5 interactions with chain A, Salt bridges: A:E.202, A:E.202 Metal complexes: A:C.88, A:C.175, A:C.261

1 x FLC: CITRATE ANION(Non-covalent)

FLC.2: 15 residues within 4Å: Chain A: H.26, Y.28, D.42, S.43, M.66, Y.114, N.116, T.130, S.131, A.132, H.200, E.202, S.216, T.217 Ligands: SF4.1 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:Y.28 Hydrogen bonds: A:S.43, A:S.43, A:Y.114, A:Y.114, A:Y.114, A:N.116, A:S.131, A:S.131, A:S.131, A:A.132, A:T.217 Water bridges: A:S.43, A:S.43, A:L.44, A:T.130 Salt bridges: A:H.26, A:H.26, A:H.200

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: T.278, E.279, S.280 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:T.278, H2O.10

3 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 3 residues within 4Å: Chain A: F.248, P.249, D.250 Ligand excluded by PLIP CL.5: 3 residues within 4Å: Chain A: P.170, E.171, N.172 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain A: L.141, D.142 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Basbous, H. et al., Transient Formation of a Second Active Site Cavity during Quinolinic Acid Synthesis by NadA. Acs Chem.Biol. (2021)

Release Date

2021-09-29

Peptides

Quinolinate synthase A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Quinolinate synthase A